1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998,
2 # 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
4 # This file is free software; you can redistribute it and/or modify it
5 # under the terms of the GNU General Public License as published by
6 # the Free Software Foundation; either version 2 of the License, or
7 # (at your option) any later version.
9 # This program is distributed in the hope that it will be useful, but
10 # WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 # General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program; if not, write to the Free Software
16 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18 ##############################################################################
19 ### WARNING: this file contains embedded tabs. Do not run untabify on this file.
21 sinclude(config/acx.m4)
23 AC_INIT(move-if-change)
28 # Get 'install' or 'install-sh' and its variants.
33 ### we might need to use some other shell than /bin/sh for running subshells
34 ### If we are on Windows, search for the shell. This will permit people
35 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
36 ### without also having to set CONFIG_SHELL. This code will work when
37 ### using bash, which sets OSTYPE.
40 if test x${CONFIG_SHELL} = x ; then
41 if test ! -f /bin/sh ; then
42 if test x${SHELL} != x && test -f ${SHELL} ; then
46 for prog in sh sh.exe bash bash.exe; do
47 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
49 test -z "$dir" && dir=.
50 if test -f $dir/$prog; then
51 CONFIG_SHELL=$dir/$prog
57 test -n "${CONFIG_SHELL}" && break
65 config_shell=${CONFIG_SHELL-/bin/sh}
68 # if PWD already has a value, it is probably wrong.
69 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
71 # Export original configure arguments for use by sub-configures. These
72 # will be expanded by make, so quote '$'.
74 sed -e 's,\$,$$,g' <<EOF_SED > conftestsed.out
77 TOPLEVEL_CONFIGURE_ARGUMENTS=`cat conftestsed.out`
79 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
81 moveifchange=${srcdir}/move-if-change
83 # Set srcdir to "." if that's what it is.
84 # This is important for multilib support.
86 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
87 if test "${pwd}" = "${srcpwd}" ; then
94 # Define the trigger file to make sure configure will re-run whenever
95 # the gcc version number changes.
96 if test "${with_gcc_version_trigger+set}" = set ; then
97 gcc_version_trigger="$with_gcc_version_trigger"
98 gcc_version=`grep version_string ${with_gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
100 # If gcc's sources are available, define the trigger file.
101 if test -f ${topsrcdir}/gcc/version.c ; then
102 gcc_version_trigger=${topsrcdir}/gcc/version.c
103 gcc_version=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
104 case "$ac_configure_args" in
105 *--with-gcc-version-trigger=$gcc_version_trigger* )
108 # Add to all subconfigure arguments: build, host, and target.
109 ac_configure_args="$ac_configure_args --with-gcc-version-trigger=$gcc_version_trigger"
115 ### To add a new directory to the tree, first choose whether it is a target
116 ### or a host dependent tool. Then put it into the appropriate list
117 ### (library or tools, host or target), doing a dependency sort.
119 # Subdirs will be configured in the order listed in build_configdirs,
120 # configdirs, or target_configdirs; see the serialization section below.
122 # Dependency sorting is only needed when *configuration* must be done in
123 # a particular order. In all cases a dependency should be specified in
124 # the Makefile, whether or not it's implicitly specified here.
126 # Double entries in build_configdirs, configdirs, or target_configdirs may
127 # cause circular dependencies and break everything horribly.
129 # these library is used by various programs built for the build
132 build_libs="build-libiberty"
134 # these tools are built for the build environment
135 build_tools="build-texinfo build-byacc build-flex build-bison build-m4"
137 # these libraries are used by various programs built for the host environment
139 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl tix libgui zlib libbanshee libcpp"
141 # these tools are built for the host environment
142 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
143 # know that we are building the simulator.
144 # binutils, gas and ld appear in that order because it makes sense to run
145 # "make check" in that particular order.
146 host_tools="byacc flex bison binutils gas ld gcc sid sim gdb make patch prms send-pr gprof etc expect dejagnu ash bash bzip2 m4 autoconf automake libtool diff rcs fileutils shellutils time textutils wdiff find uudecode hello tar gzip indent recode release sed utils guile perl gawk findutils gettext zip fastjar"
148 # libgcj represents the runtime libraries only used by gcj.
149 libgcj="target-libffi \
155 # these libraries are built for the target environment, and are built after
156 # the host libraries and the host tools (which may be a cross compiler)
158 target_libraries="target-libiberty \
161 target-libstdc++-v3 \
168 # these tools are built using the target libraries, and are intended to
169 # run only in the target environment
171 # note: any program that *uses* libraries that are in the "target_libraries"
172 # list belongs in this list. those programs are also very likely
173 # candidates for the "native_only" list which follows
175 target_tools="target-examples target-groff target-gperf target-rda"
177 ################################################################################
179 ## All tools belong in one of the four categories, and are assigned above
180 ## We assign ${configdirs} this way to remove all embedded newlines. This
181 ## is important because configure will choke if they ever get through.
182 ## ${configdirs} is directories we build using the host tools.
183 ## ${target_configdirs} is directories we build using the target tools.
184 configdirs=`echo ${host_libs} ${host_tools}`
185 target_configdirs=`echo ${target_libraries} ${target_tools}`
187 # Only make build modules if build != host.
188 if test ${host_alias} != ${build_alias} ; then
189 build_configdirs=`echo ${build_libs} ${build_tools}`
192 ################################################################################
194 srcname="gnu development package"
196 # This gets set non-empty for some net releases of packages.
199 # Define is_cross_compiler to save on calls to 'test'.
201 if test x"${host}" = x"${target}" ; then
204 is_cross_compiler=yes
207 # Find the build and target subdir names.
210 # Skipdirs are removed silently.
212 # Noconfigdirs are removed loudly.
216 # Make sure we don't let GNU ld be added if we didn't want it.
217 if test x$with_gnu_ld = xno ; then
219 noconfigdirs="$noconfigdirs ld"
223 # Make sure we don't let GNU as be added if we didn't want it.
224 if test x$with_gnu_as = xno ; then
226 noconfigdirs="$noconfigdirs gas"
229 # some tools are so dependent upon X11 that if we're not building with X,
230 # it's not even worth trying to configure, much less build, that tool.
233 yes | "") ;; # the default value for this tree is that X11 is available
235 skipdirs="${skipdirs} tk tix itcl libgui"
236 # We won't be able to build gdbtk without X.
239 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
242 # Some tools are only suitable for building in a "native" situation.
243 # Remove these if host!=target.
244 native_only="autoconf automake libtool fileutils find gawk gettext gzip hello indent m4 rcs recode sed shellutils tar textutils uudecode wdiff gprof target-groff guile perl time ash bash bzip2 prms gnuserv target-gperf"
246 # Similarly, some are only suitable for cross toolchains.
247 # Remove these if host=target.
248 cross_only="target-libgloss target-newlib target-opcodes"
250 case $is_cross_compiler in
251 no) skipdirs="${skipdirs} ${cross_only}" ;;
252 yes) skipdirs="${skipdirs} ${native_only}" ;;
255 # If both --with-headers and --with-libs are specified, default to
257 if test x"${with_headers}" != x && test x"${with_headers} != xno \
258 && test x"${with_libs}" != x && test x"${with_libs} != xno ; then
259 if test x"${with_newlib}" = x ; then
264 # Recognize --with-newlib/--without-newlib.
265 case ${with_newlib} in
266 no) skipdirs="${skipdirs} target-newlib" ;;
267 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
270 # Configure extra directories which are host specific
274 configdirs="$configdirs libtermcap" ;;
277 # Remove more programs from consideration, based on the host or
278 # target this usually means that a port of the program doesn't
283 noconfigdirs="$noconfigdirs byacc"
285 i[[3456789]]86-*-vsta)
286 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl tix gnuserv gettext"
288 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
289 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl tix gnuserv libffi"
291 i[[3456789]]86-*-mingw32*)
292 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl tix gnuserv"
293 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool"
295 i[[3456789]]86-*-beos*)
296 noconfigdirs="$noconfigdirs tk itcl tix libgui gdb"
299 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
302 noconfigdirs="$noconfigdirs rcs"
305 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl tix gnuserv"
308 noconfigdirs="$noconfigdirs tk itcl tix libgui gdb dejagnu readline"
311 noconfigdirs="$noconfigdirs tk itcl tix libgui"
315 AC_ARG_WITH(libbanshee,
316 [ --without-libbanshee Don't build with libbanshee])
317 case ${with_libbanshee} in
319 noconfigdirs="$noconfigdirs libbanshee" ;;
324 AC_MSG_ERROR([--with-libbanshee can only be empty, "yes" or "no" (empty defaults to "yes".])
327 AC_ARG_ENABLE(libada,
328 [ --enable-libada Builds libada directory],
329 ENABLE_LIBADA=$enableval,
331 if test "${ENABLE_LIBADA}" != "yes" ; then
332 noconfigdirs="$noconfigdirs target-libada"
335 # Save it here so that, even in case of --enable-libgcj, if the Java
336 # front-end isn't enabled, we still get libgcj disabled.
338 case $enable_libgcj in
340 # If we reset it here, it won't get added to noconfigdirs in the
341 # target-specific build rules, so it will be forcibly enabled
342 # (unless the Java language itself isn't enabled).
346 # Make sure we get it printed in the list of not supported target libs.
347 noconfigdirs="$noconfigdirs ${libgcj}"
352 # Allow --disable-libmudflap to exclude target-libmudflap
353 case $enable_libmudflap in
355 # By default it's enabled
358 noconfigdirs="$noconfigdirs target-libmudflap"
365 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
368 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
369 noconfigdirs="$noconfigdirs target-libobjc"
372 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
373 noconfigdirs="$noconfigdirs target-libobjc ${libgcj}"
375 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
376 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
378 *-*-freebsd* | *-*-kfreebsd*-gnu)
379 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
380 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
381 && test -f /usr/local/include/gmp.h; then
385 # Skip some stuff that's unsupported on some FreeBSD configurations.
390 noconfigdirs="$noconfigdirs ${libgcj}"
395 # Remove unsupported stuff on all kaOS configurations.
396 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
397 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
398 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
399 noconfigdirs="$noconfigdirs target-libgloss"
402 # Skip some stuff on all NetBSD configurations.
403 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
405 # Skip some stuff that's unsupported on some NetBSD configurations.
407 i*86-*-netbsdelf*) ;;
408 arm*-*-netbsdelf*) ;;
410 noconfigdirs="$noconfigdirs ${libgcj}"
415 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-newlib target-libiberty target-libgloss ${libgcj}"
418 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
421 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
424 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj}"
427 # ld works, but does not support shared libraries.
428 # newlib is not 64 bit ready. I'm not sure about fileutils.
429 # gas doesn't generate exception information.
430 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
433 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
436 # newlib is not 64 bit ready
437 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
440 # newlib is not 64 bit ready
441 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
444 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
447 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
449 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
450 noconfigdirs="$noconfigdirs ${libgcj}"
451 noconfigdirs="$noconfigdirs target-examples"
452 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
453 noconfigdirs="$noconfigdirs tcl tix tk itcl libgui sim"
454 noconfigdirs="$noconfigdirs expect dejagnu"
455 # the C++ libraries don't build on top of CE's C libraries
456 noconfigdirs="$noconfigdirs target-libstdc++-v3"
457 noconfigdirs="$noconfigdirs target-newlib"
459 *-*-cygwin*) ;; # keep gdb and readline
460 *) noconfigdirs="$noconfigdirs gdb readline"
465 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
467 arm-*-coff | strongarm-*-coff | xscale-*-coff)
468 noconfigdirs="$noconfigdirs ${libgcj}"
470 arm-*-elf* | strongarm-*-elf* | xscale-*-elf*)
471 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
474 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
477 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
480 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
483 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
486 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
489 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
492 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
495 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
498 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
500 c54x*-*-* | tic54x-*-*)
501 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
504 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
507 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
510 noconfigdirs="$noconfigdirs ${libgcj} gdb"
513 noconfigdirs="$noconfigdirs ${libgcj} gdb"
516 noconfigdirs="$noconfigdirs ${libgcj}"
519 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
522 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
524 hppa*64*-*-linux* | parisc*64*-*-linux*)
525 # In this case, it's because the hppa64-linux target is for
526 # the kernel only at this point and has no libc, and thus no
527 # headers, crt*.o, etc., all of which are needed by these.
528 noconfigdirs="$noconfigdirs target-zlib"
531 parisc*-*-linux* | hppa*-*-linux* | \
535 noconfigdirs="$noconfigdirs ${libgcj}"
536 # Do configure ld/binutils/gas for this case.
539 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
540 # build on HP-UX 10.20.
541 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
544 noconfigdirs="$noconfigdirs ${libgcj} gdb"
547 # No gdb support yet.
548 noconfigdirs="$noconfigdirs tix readline mmalloc libgui itcl gdb"
551 # No gdb or ld support yet.
552 noconfigdirs="$noconfigdirs ${libgcj} tix readline mmalloc libgui itcl gdb ld"
554 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
555 noconfigdirs="$noconfigdirs ${libgcj}"
557 i[[3456789]]86-*-linux*)
558 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
559 # not build java stuff by default.
562 noconfigdirs="$noconfigdirs ${libgcj}";;
565 # This section makes it possible to build newlib natively on linux.
566 # If we are using a cross compiler then don't configure newlib.
567 if test x${is_cross_compiler} != xno ; then
568 noconfigdirs="$noconfigdirs target-newlib"
570 noconfigdirs="$noconfigdirs target-libgloss"
571 # If we are not using a cross compiler, do configure newlib.
572 # Note however, that newlib will only be configured in this situation
573 # if the --with-newlib option has been given, because otherwise
574 # 'target-newlib' will appear in skipdirs.
576 i[[3456789]]86-*-mingw32*)
577 target_configdirs="$target_configdirs target-mingw"
578 noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj}"
580 # Can't build gdb for mingw32 if not native.
582 i[[3456789]]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
583 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix gnuserv"
588 target_configdirs="$target_configdirs target-libtermcap target-winsup"
589 noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
590 # always build newlib if winsup directory is present.
591 if test -d "$srcdir/winsup"
593 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
595 echo "Warning: winsup is missing so newlib can't be built."
598 # Can't build gdb for Cygwin if not native.
600 *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
601 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix libgui gnuserv"
606 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
608 i[[3456789]]86-*-sco3.2v5*)
609 # The linker does not yet know about weak symbols in COFF,
610 # and is not configured to handle mixed ELF and COFF.
611 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
613 i[[3456789]]86-*-sco*)
614 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
616 i[[3456789]]86-*-solaris2*)
617 noconfigdirs="$noconfigdirs target-libgloss"
619 i[[3456789]]86-*-sysv4*)
620 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
622 i[[3456789]]86-*-beos*)
623 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
626 noconfigdirs="$noconfigdirs ${libgcj}"
629 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
631 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
632 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
635 noconfigdirs="$noconfigdirs ${libgcj}"
638 noconfigdirs="$noconfigdirs ${libgcj}"
641 # The EPOC C++ environment does not support exceptions or rtti,
642 # and so building libstdc++-v3 tends not to always work.
643 noconfigdirs="$noconfigdirs target-libstdc++-v3"
646 noconfigdirs="$noconfigdirs ${libgcj} gdb libgloss"
649 noconfigdirs="$noconfigdirs ${libgcj}"
652 noconfigdirs="$noconfigdirs ${libgcj}"
655 # copied from rs6000-*-* entry
656 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
658 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
659 target_configdirs="$target_configdirs target-winsup"
660 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl tix gnuserv ${libgcj}"
661 # always build newlib.
662 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
664 # This is temporary until we can link against shared libraries
665 powerpcle-*-solaris*)
666 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl tix gnuserv ${libgcj}"
669 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
672 noconfigdirs="$noconfigdirs ${libgcj}"
675 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
678 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
681 noconfigdirs="$noconfigdirs gprof ${libgcj}"
684 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
687 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
690 # Linking libjava exceeds command-line length limits on at least
691 # IRIX 6.2, but not on IRIX 6.5.
692 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
693 # <oldham@codesourcery.com>
694 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
697 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
700 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
703 noconfigdirs="$noconfigdirs gprof ${libgcj}" # same as generic mips
706 noconfigdirs="$noconfigdirs target-newlib ${libgcj}"
709 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
712 noconfigdirs="$noconfigdirs gprof ${libgcj}"
715 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
719 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
720 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
721 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
722 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
724 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
727 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
730 noconfigdirs="$noconfigdirs ${libgcj}"
733 noconfigdirs="$noconfigdirs ${libgcj}"
736 noconfigdirs="$noconfigdirs ${libgcj}"
739 noconfigdirs="$noconfigdirs ${libgcj}"
740 if test x${is_cross_compiler} != xno ; then
741 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
746 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
749 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
752 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
755 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
758 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
761 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
764 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
767 noconfigdirs="$noconfigdirs ${libgcj}"
770 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
773 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
776 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
779 noconfigdirs="$noconfigdirs ${libgcj}"
783 # If we aren't building newlib, then don't build libgloss, since libgloss
784 # depends upon some newlib header files.
785 case "${noconfigdirs}" in
786 *target-libgloss*) ;;
787 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
790 # Work in distributions that contain no compiler tools, like Autoconf.
792 host_makefile_frag=/dev/null
793 if test -d ${srcdir}/config ; then
796 # Avoid "too much defining" errors from HPUX compiler.
797 tentative_cc="cc -Wp,-H256000"
798 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
799 # If it's HP/UX ar, this should be harmless.
803 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
806 #None of the Apollo compilers can compile gas or binutils. The preprocessor
807 # chokes on bfd, the compiler won't let you assign integers to enums, and
808 # other problems. Defining CC to gcc is a questionable way to say "don't use
809 # the apollo compiler" (the preferred version of GCC could be called cc,
810 # or whatever), but I'm not sure leaving CC as cc is any better...
811 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
812 # Used to have BISON=yacc.
816 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
819 # Under CX/UX, we want to tell the compiler to use ANSI mode.
820 tentative_cc="cc -Xa"
821 host_makefile_frag="config/mh-cxux"
826 tentative_cc="cc -Wf,-XNg1000"
827 host_makefile_frag="config/mh-decstation"
830 # The C compiler on NEC MIPS SVR4 needs bigger tables.
831 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
832 host_makefile_frag="config/mh-necv4"
835 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
836 # environment. Also bump switch table size so that cp-parse will
837 # compile. Bump string length limit so linker builds.
838 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
841 host_makefile_frag="config/mh-sysv4"
844 # This is for a MIPS running RISC/os 4.52C.
846 # This is needed for GDB, but needs to be in the top-level make because
847 # if a library is compiled with the bsd headers and gets linked with the
848 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
850 # ptrace(2) apparently has problems in the BSD environment. No workaround is
851 # known except to select the sysv environment. Could we use /proc instead?
852 # These "sysv environments" and "bsd environments" often end up being a pain.
854 # This is not part of CFLAGS because perhaps not all C compilers have this
856 tentative_cc="cc -systype sysv"
861 i[[3456789]]86-*-sysv5*)
862 host_makefile_frag="config/mh-sysv5"
864 i[[3456789]]86-*-dgux*)
865 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
866 host_makefile_frag="config/mh-dgux386"
868 i[[3456789]]86-ncr-sysv4.3*)
869 # The MetaWare compiler will generate a copyright message unless you
870 # turn it off by adding the -Hnocopyr flag.
871 tentative_cc="cc -Hnocopyr"
873 i[[3456789]]86-ncr-sysv4*)
874 # for an NCR 3000 (i486/SVR4) system.
875 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
876 # This compiler not only emits obnoxious copyright messages every time
877 # you run it, but it chokes and dies on a whole bunch of GNU source
878 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
879 tentative_cc="/usr/ccs/ATT/cc"
880 host_makefile_frag="config/mh-ncr3000"
882 i[[3456789]]86-*-sco3.2v5*)
884 i[[3456789]]86-*-sco*)
885 # The native C compiler botches some simple uses of const. Unfortunately,
886 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
887 tentative_cc="cc -Dconst="
888 host_makefile_frag="config/mh-sco"
890 i[[3456789]]86-*-udk*)
891 host_makefile_frag="config/mh-sysv5"
893 i[[3456789]]86-*-solaris2*)
894 host_makefile_frag="config/mh-sysv4"
896 i[[3456789]]86-*-msdosdjgpp*)
897 host_makefile_frag="config/mh-djgpp"
900 host_makefile_frag="config/mh-cygwin"
903 host_makefile_frag="config/mh-mingw32"
906 host_makefile_frag="config/mh-interix"
909 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
913 host_makefile_frag="config/mh-solaris"
916 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
917 # without overflowing the jump tables (-J says to use a 32 bit table)
921 tentative_cc="cc -Wp,-H256000"
924 tentative_cc="cc -Wp,-H256000"
927 # /bin/cc is less than useful for our purposes. Always use GCC
928 tentative_cc="/usr/cygnus/progressive/bin/gcc"
929 host_makefile_frag="config/mh-lynxrs6k"
932 # /bin/cc is less than useful for our purposes. Always use GCC
933 tentative_cc="/bin/gcc"
936 host_makefile_frag="config/mh-sysv4"
941 # If we aren't going to be using gcc, see if we can extract a definition
942 # of CC from the fragment.
943 # Actually, use the 'pre-extracted' version above.
944 if test -z "${CC}" && test "${build}" = "${host}" ; then
945 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
948 test -z "$dir" && dir=.
949 if test -f $dir/gcc; then
955 if test -z "${found}" && test -n "${tentative_cc}" ; then
960 if test "${build}" != "${host}" ; then
961 # If we are doing a Canadian Cross, in which the host and build systems
962 # are not the same, we set reasonable default values for the tools.
964 CC=${CC-${host_alias}-gcc}
965 CFLAGS=${CFLAGS-"-g -O2"}
966 CXX=${CXX-${host_alias}-c++}
967 CXXFLAGS=${CXXFLAGS-"-g -O2"}
968 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
969 CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
970 CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
971 GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
972 GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
973 BUILD_DIR_PREFIX=${build_subdir}
974 BUILD_PREFIX=${build_alias}-
975 BUILD_PREFIX_1=${build_alias}-
978 # Set reasonable default values for some tools even if not Canadian.
979 # Of course, these are different reasonable default values, originally
980 # specified directly in the Makefile.
981 # We don't export, so that autoconf can do its job.
982 # Note that all these settings are above the fragment inclusion point
983 # in Makefile.in, so can still be overridden by fragments.
984 # This is all going to change when we autoconfiscate...
986 CC_FOR_BUILD="\$(CC)"
987 GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
990 BUILD_PREFIX_1=loser-
994 # We must set the default linker to the linker used by gcc for the correct
995 # operation of libtool. If LD is not defined and we are using gcc, try to
996 # set the LD default to the ld used by gcc.
997 if test -z "$LD"; then
998 if test "$GCC" = yes; then
1001 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1003 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1005 case $gcc_prog_ld in
1006 # Accept absolute paths.
1007 [[\\/]* | [A-Za-z]:[\\/]*)]
1008 LD="$gcc_prog_ld" ;;
1014 CFLAGS=${CFLAGS-"-g"}
1015 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1019 ACX_PROG_CMP_IGNORE_INITIAL
1025 # Specify a location for gmp
1026 AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH Specify source directory for GMP library])
1028 if test "x$with_gmp_dir" != x && test -f "$with_gmp_dir/gmp.h"; then
1029 gmpinc="-I$with_gmp_dir"
1030 if test -f "$with_gmp_dir/.libs/libgmp.a"; then
1031 gmplibs="$with_gmp_dir/.libs/libgmp.a"
1032 elif test -f "$with_gmp_dir/_libs/libgmp.a"; then
1033 gmplibs="$with_gmp_dir/_libs/libgmp.a"
1035 # One of the later tests will catch the error if neither library is present.
1038 AC_ARG_WITH(gmp, [ --with-gmp=PATH Specify directory for installed GMP library])
1040 if test "x$with_gmp" != x && test -d "$with_gmp"; then
1041 gmplibs="-L$with_gmp/lib -lgmp"
1042 gmpinc="-I$with_gmp/include"
1045 # Use system gmp if nothing else specified
1046 if test "x$gmplibs" = x; then
1050 saved_CFLAGS="$CFLAGS"
1051 CFLAGS="$CFLAGS $gmpinc"
1052 # Check GMP actually works
1053 AC_MSG_CHECKING([for correct version of gmp.h])
1054 AC_TRY_COMPILE([#include "gmp.h"],[
1055 #if __GNU_MP_VERSION < 3
1058 ], [AC_MSG_RESULT([yes])],
1059 [AC_MSG_RESULT([no]); have_gmp=no])
1061 if test x"$have_gmp" = xyes; then
1062 AC_MSG_CHECKING([for mpf_init in -lgmp])
1065 LIBS="$LIBS $gmplibs"
1066 AC_TRY_LINK([#include <gmp.h>], [mpf_t n; mpf_init(n);],
1067 [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1069 CFLAGS="$saved_CFLAGS"
1075 # By default, C is the only stage 1 language.
1077 AC_SUBST(stage1_languages)
1079 # Figure out what language subdirectories are present.
1080 # Look if the user specified --enable-languages="..."; if not, use
1081 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1083 # NB: embedded tabs in this IF block -- do not untabify
1084 if test -d ${srcdir}/gcc; then
1085 if test x"${enable_languages+set}" != xset; then
1086 if test x"${LANGUAGES+set}" = xset; then
1087 enable_languages="${LANGUAGES}"
1088 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1090 enable_languages=all
1093 if test x"${enable_languages}" = x ||
1094 test x"${enable_languages}" = xyes;
1096 echo configure.in: --enable-languages needs at least one language argument 1>&2
1100 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1102 # First scan to see if an enabled language requires some other language.
1103 # We assume that a given config-lang.in will list all the language
1104 # front ends it requires, even if some are required indirectly.
1105 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1106 case ${lang_frag} in
1108 # The odd quoting in the next line works around
1109 # an apparent bug in bash 1.12 on linux.
1110 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1112 # From the config-lang.in, get $language, $lang_requires
1116 for other in ${lang_requires} ; do
1117 case ,${enable_languages}, in
1121 echo " \`$other' language required by \`$language'; enabling" 1>&2
1122 enable_languages="${enable_languages},${other}"
1130 new_enable_languages=c
1131 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1133 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1134 case ${lang_frag} in
1136 # The odd quoting in the next line works around
1137 # an apparent bug in bash 1.12 on linux.
1138 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1140 # From the config-lang.in, get $language, $target_libs,
1141 # $lang_dirs, $boot_language, and $build_by_default
1149 # This is quite sensitive to the ordering of the case statement arms.
1150 case ,${enable_languages},:${language}:${have_gnat}:${build_by_default} in
1152 echo "${lang_frag} doesn't set \$language." 1>&2
1156 # Ada was requested with no preexisting GNAT. Disable unconditionally.
1159 *,${language},*:*:*:*)
1160 # Language was explicitly selected; include it.
1164 # 'all' was selected, but this is not a default language
1165 # so do not include it.
1169 # 'all' was selected and this is a default language; include it.
1177 # Disable language that need GMP if it isn't available.
1178 if test x"$need_gmp" = xyes && test x"$have_gmp" = xno; then
1182 case $add_this_lang in
1184 # Remove language-dependent dirs.
1185 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1188 new_enable_languages="$new_enable_languages,$language"
1189 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1190 case ${boot_language} in
1192 # Add to (comma-separated) list of stage 1 languages.
1193 stage1_languages="${stage1_languages},${language}"
1202 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1203 if test "x$missing_languages" != x; then
1205 The following requested languages were not found: ${missing_languages}])
1208 if test "x$new_enable_languages" != "x$enable_languages"; then
1209 echo The following languages will be built: ${new_enable_languages}
1211 enable_languages="$new_enable_languages"
1212 ac_configure_args=`echo " $ac_configure_args" | sed -e 's/ --enable-languages=[[^ ]]*//' -e 's/$/ --enable-languages='"$enable_languages"/ `
1215 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs and
1216 # $target_configdirs.
1217 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1220 for dir in . $skipdirs $noconfigdirs ; do
1221 dirname=`echo $dir | sed -e s/target-//g`
1222 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1223 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1224 if test -r $srcdir/$dirname/configure ; then
1225 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1228 notsupp="$notsupp $dir"
1232 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1233 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1234 if test -r $srcdir/$dirname/configure ; then
1235 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1238 notsupp="$notsupp $dir"
1244 # Sometimes the tools are distributed with libiberty but with no other
1245 # libraries. In that case, we don't want to build target-libiberty.
1246 if test -n "${target_configdirs}" ; then
1248 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1249 if test "$i" != "libiberty" ; then
1250 if test -r $srcdir/$i/configure ; then
1256 if test -z "${others}" ; then
1261 # Quietly strip out all directories which aren't configurable in this tree.
1262 # This relies on all configurable subdirectories being autoconfiscated, which
1264 build_configdirs_all="$build_configdirs"
1266 for i in ${build_configdirs_all} ; do
1267 j=`echo $i | sed -e s/build-//g`
1268 if test -f ${srcdir}/$j/configure ; then
1269 build_configdirs="${build_configdirs} $i"
1273 configdirs_all="$configdirs"
1275 for i in ${configdirs_all} ; do
1276 if test -f ${srcdir}/$i/configure ; then
1277 configdirs="${configdirs} $i"
1281 target_configdirs_all="$target_configdirs"
1283 for i in ${target_configdirs_all} ; do
1284 j=`echo $i | sed -e s/target-//g`
1285 if test -f ${srcdir}/$j/configure ; then
1286 target_configdirs="${target_configdirs} $i"
1290 # Produce a warning message for the subdirs we can't configure.
1291 # This isn't especially interesting in the Cygnus tree, but in the individual
1292 # FSF releases, it's important to let people know when their machine isn't
1293 # supported by the one or two programs in a package.
1295 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1296 # If $appdirs is non-empty, at least one of those directories must still
1297 # be configured, or we error out. (E.g., if the gas release supports a
1298 # specified target in some subdirs but not the gas subdir, we shouldn't
1299 # pretend that all is well.)
1300 if test -n "$appdirs" ; then
1301 for dir in $appdirs ; do
1302 if test -r $dir/Makefile.in ; then
1303 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1307 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1313 if test -n "$appdirs" ; then
1314 echo "*** This configuration is not supported by this package." 1>&2
1318 # Okay, some application will build, or we don't care to check. Still
1319 # notify of subdirs not getting built.
1320 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1321 echo " ${notsupp}" 1>&2
1322 echo " (Any other directories should still work fine.)" 1>&2
1332 # Handle --with-headers=XXX. If the value is not "yes", the contents of
1333 # the named directory are copied to $(tooldir)/sys-include.
1334 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
1335 if test x${is_cross_compiler} = xno ; then
1336 echo 1>&2 '***' --with-headers is only supported when cross compiling
1339 if test x"${with_headers}" != xyes ; then
1340 case "${exec_prefixoption}" in
1342 *) x=${exec_prefix} ;;
1344 copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
1348 # Handle --with-libs=XXX. If the value is not "yes", the contents of
1349 # the name directories are copied to $(tooldir)/lib. Multiple directories
1351 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
1352 if test x${is_cross_compiler} = xno ; then
1353 echo 1>&2 '***' --with-libs is only supported when cross compiling
1356 if test x"${with_libs}" != xyes ; then
1357 # Copy the libraries in reverse order, so that files in the first named
1358 # library override files in subsequent libraries.
1359 case "${exec_prefixoption}" in
1361 *) x=${exec_prefix} ;;
1363 for l in ${with_libs}; do
1364 copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
1369 # Handle ${copy_dirs}
1370 set fnord ${copy_dirs}
1372 while test $# != 0 ; do
1373 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
1376 echo Copying $1 to $2
1378 # Use the install script to create the directory and all required
1379 # parent directories.
1380 if test -d $2 ; then
1384 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
1387 # Copy the directory, assuming we have tar.
1388 # FIXME: Should we use B in the second tar? Not all systems support it.
1389 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
1391 # It is the responsibility of the user to correctly adjust all
1392 # symlinks. If somebody can figure out how to handle them correctly
1393 # here, feel free to add the code.
1400 extra_arflags_for_target=
1401 extra_nmflags_for_target=
1402 extra_ranlibflags_for_target=
1403 target_makefile_frag=/dev/null
1405 i[[3456789]]86-*-netware*)
1406 target_makefile_frag="config/mt-netware"
1409 target_makefile_frag="config/mt-netware"
1412 target_makefile_frag="config/mt-linux"
1414 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1415 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1416 # commands to handle both 32-bit and 64-bit objects. These flags are
1417 # harmless if we're using GNU nm or ar.
1418 extra_arflags_for_target=" -X32_64"
1419 extra_nmflags_for_target=" -B -X32_64"
1422 # ranlib from Darwin requires the -c flag to look at common symbols.
1423 extra_ranlibflags_for_target=" -c"
1425 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1426 target_makefile_frag="config/mt-wince"
1430 alphaieee_frag=/dev/null
1433 # This just makes sure to use the -mieee option to build target libs.
1434 # This should probably be set individually by each library.
1435 alphaieee_frag="config/mt-alphaieee"
1439 # If --enable-target-optspace always use -Os instead of -O2 to build
1440 # the target libraries, similarly if it is not specified, use -Os
1441 # on selected platforms.
1442 ospace_frag=/dev/null
1443 case "${enable_target_optspace}:${target}" in
1445 ospace_frag="config/mt-ospace"
1448 ospace_frag="config/mt-d30v"
1450 :m32r-* | :d10v-* | :fr30-*)
1451 ospace_frag="config/mt-ospace"
1456 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1460 # Set with_gnu_as and with_gnu_ld as appropriate.
1462 # This is done by determining whether or not the appropriate directory
1463 # is available, and by checking whether or not specific configurations
1464 # have requested that this magic not happen.
1466 # The command line options always override the explicit settings in
1467 # configure.in, and the settings in configure.in override this magic.
1469 # If the default for a toolchain is to use GNU as and ld, and you don't
1470 # want to do that, then you should use the --without-gnu-as and
1471 # --without-gnu-ld options for the configure script.
1473 if test x${use_gnu_as} = x &&
1474 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1476 extra_host_args="$extra_host_args --with-gnu-as"
1479 if test x${use_gnu_ld} = x &&
1480 echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1482 extra_host_args="$extra_host_args --with-gnu-ld"
1485 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1486 # can detect this case.
1488 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1490 extra_host_args="$extra_host_args --with-newlib"
1493 if test x${with_libbanshee} = xyes && echo " ${configdirs} " | grep " libbanshee " >/dev/null 2>&1; then
1494 extra_host_args="$extra_host_args --with-libbanshee"
1497 # Default to using --with-stabs for certain targets.
1498 if test x${with_stabs} = x ; then
1500 mips*-*-irix[[56]]*)
1502 mips*-*-* | alpha*-*-osf*)
1504 extra_host_args="${extra_host_args} --with-stabs"
1509 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
1510 # them automatically.
1513 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1517 # Some systems (e.g., one of the i386-aix systems the gas testers are
1518 # using) don't handle "\$" correctly, so don't use it here.
1519 tooldir='${exec_prefix}'/${target_alias}
1520 build_tooldir=${tooldir}
1522 # Generate default definitions for YACC, M4, LEX and other programs that run
1523 # on the build machine. These are used if the Makefile can't locate these
1524 # programs in objdir.
1525 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
1526 AC_CHECK_PROGS([CONFIGURED_BISON], [bison], [$MISSING bison])
1527 AC_CHECK_PROGS([CONFIGURED_YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
1528 AC_CHECK_PROGS([CONFIGURED_M4], [gm4 gnum4 m4], [$MISSING m4])
1529 AC_CHECK_PROGS([CONFIGURED_FLEX], [flex], [$MISSING flex])
1530 AC_CHECK_PROGS([CONFIGURED_LEX], [flex lex], [$MISSING flex])
1531 AC_CHECK_PROGS([CONFIGURED_MAKEINFO], makeinfo, [$MISSING makeinfo])
1533 # Create a .gdbinit file which runs the one in srcdir
1534 # and tells GDB to look there for source files.
1536 if test -r ${srcdir}/.gdbinit ; then
1539 *) cat > ./.gdbinit <<EOF
1543 source ${srcdir}/.gdbinit
1549 # Make sure that the compiler is able to generate an executable. If it
1550 # can't, we are probably in trouble. We don't care whether we can run the
1551 # executable--we might be using a cross compiler--we only care whether it
1552 # can be created. At this point the main configure script has set CC.
1554 echo "int main () { return 0; }" > conftest.c
1555 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1556 if test $? = 0 ; then
1557 if test -s conftest || test -s conftest.exe ; then
1563 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1564 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1571 # The Solaris /usr/ucb/cc compiler does not appear to work.
1573 sparc-sun-solaris2*)
1574 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1575 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1577 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1578 if test -d /opt/cygnus/bin ; then
1579 if test "$could_use" = "" ; then
1580 could_use="/opt/cygnus/bin"
1582 could_use="$could_use or /opt/cygnus/bin"
1585 if test "$could_use" = "" ; then
1586 echo "Warning: compilation may fail because you're using"
1587 echo "/usr/ucb/cc. You should change your PATH or CC "
1588 echo "variable and rerun configure."
1590 echo "Warning: compilation may fail because you're using"
1591 echo "/usr/ucb/cc, when you should use the C compiler from"
1592 echo "$could_use. You should change your"
1593 echo "PATH or CC variable and rerun configure."
1599 # If --enable-shared was set, we must set LD_LIBRARY_PATH so that the
1600 # binutils tools will find libbfd.so.
1601 case "${enable_shared}" in
1602 no | "") SET_LIB_PATH= ;;
1603 *) SET_LIB_PATH="\$(REALLY_SET_LIB_PATH)" ;;
1607 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1608 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1611 # Record target_configdirs and the configure arguments for target and
1612 # build configuration in Makefile.
1613 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1614 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
1616 # Determine whether gdb needs tk/tcl or not.
1617 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1618 # and in that case we want gdb to be built without tk. Ugh!
1619 # In fact I believe gdb is the *only* package directly dependent on tk,
1620 # so we should be able to put the 'maybe's in unconditionally and
1621 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
1622 # 100% sure that that's safe though.
1624 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-tix maybe-all-libgui"
1625 case "$enable_gdbtk" in
1629 GDB_TK="${gdb_tk}" ;;
1631 # Only add the dependency on gdbtk when GDBtk is part of the gdb
1632 # distro. Eventually someone will fix this and move Insight, nee
1633 # gdbtk to a separate directory.
1634 if test -d ${srcdir}/gdb/gdbtk ; then
1642 # Strip out unwanted targets.
1644 # While at that, we remove Makefiles if we were started for recursive
1645 # configuration, so that the top-level Makefile reconfigures them,
1646 # like we used to do when configure itself was recursive.
1648 # Loop over modules. $extrasub must be used with care, limiting as
1649 # much as possible the usage of range addresses. That's because autoconf
1650 # splits the sed script to overcome limits in the number of commands,
1651 # and relying on carefully-timed sed passes may turn out to be very hard
1652 # to maintain later. In this particular case, you just have to be careful
1653 # not to nest @if/@endif pairs, because configure will not warn you at all.
1655 AC_ARG_ENABLE([bootstrap],
1656 [ --enable-bootstrap Enable bootstrapping [no]],,
1657 enable_bootstrap=no)
1658 if test -d ${srcdir}/gcc; then
1659 case "$host:$target:$enable_bootstrap" in
1660 $build:$build:yes | *:no) ;;
1661 *:yes) AC_MSG_ERROR([cannot bootstrap a cross-compiler]) ;;
1662 *) AC_MSG_ERROR([invalid option for --enable-bootstrap]) ;;
1665 if test $enable_bootstrap = yes; then
1666 AC_MSG_ERROR([cannot bootstrap without a compiler])
1670 case "$enable_bootstrap" in
1672 default_target=bootstrap
1673 bootstrap_suffix=bootstrap ;;
1676 bootstrap_suffix=no-bootstrap ;;
1678 AC_SUBST(default_target)
1680 for module in ${build_configdirs} ; do
1681 if test -z "${no_recursion}" \
1682 && test -f ${build_subdir}/${module}/Makefile; then
1683 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1684 rm -f ${build_subdir}/${module}/Makefile
1687 /^@if build-$module\$/d
1688 /^@endif build-$module\$/d
1689 /^@if build-$module-$bootstrap_suffix\$/d
1690 /^@endif build-$module-$bootstrap_suffix\$/d"
1692 for module in ${configdirs} ; do
1693 if test -z "${no_recursion}" \
1694 && test -f ${module}/Makefile; then
1695 echo 1>&2 "*** removing ${module}/Makefile to force reconfigure"
1696 rm -f ${module}/Makefile
1700 /^@endif $module\$/d
1701 /^@if $module-$bootstrap_suffix\$/d
1702 /^@endif $module-$bootstrap_suffix\$/d"
1704 for module in ${target_configdirs} ; do
1705 if test -z "${no_recursion}" \
1706 && test -f ${target_subdir}/${module}/Makefile; then
1707 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
1708 rm -f ${target_subdir}/${module}/Makefile
1711 /^@if target-$module\$/d
1712 /^@endif target-$module\$/d
1713 /^@if target-$module-$bootstrap_suffix\$/d
1714 /^@endif target-$module-$bootstrap_suffix\$/d"
1718 /^@if /,/^@endif /d"
1720 # Create the serialization dependencies. This uses a temporary file.
1722 AC_ARG_ENABLE([serial-configure],
1723 [ --enable-serial-[{host,target,build}-]configure
1724 Force sequential configuration of
1725 sub-packages for the host, target or build
1726 machine, or all sub-packages])
1728 case ${enable_serial_configure} in
1730 enable_serial_build_configure=yes
1731 enable_serial_host_configure=yes
1732 enable_serial_target_configure=yes
1736 # These force 'configure's to be done one at a time, to avoid problems
1737 # with contention over a shared config.cache.
1739 echo '# serdep.tmp' > serdep.tmp
1741 test "x${enable_serial_build_configure}" = xyes &&
1742 for item in ${build_configdirs} ; do
1745 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
1750 test "x${enable_serial_host_configure}" = xyes &&
1751 for item in ${configdirs} ; do
1754 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
1759 test "x${enable_serial_target_configure}" = xyes &&
1760 for item in ${target_configdirs} ; do
1763 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
1767 serialization_dependencies=serdep.tmp
1768 AC_SUBST_FILE(serialization_dependencies)
1770 # Base args. Strip norecursion, cache-file, srcdir, host, build,
1771 # target and nonopt. These are the ones we might not want to pass
1772 # down to subconfigures. Also strip program-prefix, program-suffix,
1773 # and program-transform-name, so that we can pass down a consistent
1774 # program-transform-name. If autoconf has put single quotes around
1775 # any of these arguments (because they contain shell metacharacters)
1776 # then this will fail; in practice this only happens for
1777 # --program-transform-name, so be sure to override --program-transform-name
1778 # at the end of the argument list.
1779 # These will be expanded by make, so quote '$'.
1780 cat <<\EOF_SED > conftestsed
1782 s/ --c[[a-z-]]*[[= ]][[^ ]]*//g
1783 s/ --sr[[a-z-]]*[[= ]][[^ ]]*//g
1784 s/ --ho[[a-z-]]*[[= ]][[^ ]]*//g
1785 s/ --bu[[a-z-]]*[[= ]][[^ ]]*//g
1786 s/ --t[[a-z-]]*[[= ]][[^ ]]*//g
1787 s/ --program-[[pst]][[a-z-]]*[[= ]][[^ ]]*//g
1788 s/ -cache-file[[= ]][[^ ]]*//g
1789 s/ -srcdir[[= ]][[^ ]]*//g
1790 s/ -host[[= ]][[^ ]]*//g
1791 s/ -build[[= ]][[^ ]]*//g
1792 s/ -target[[= ]][[^ ]]*//g
1793 s/ -program-prefix[[= ]][[^ ]]*//g
1794 s/ -program-suffix[[= ]][[^ ]]*//g
1795 s/ -program-transform-name[[= ]][[^ ]]*//g
1796 s/ [[^' -][^ ]*] / /
1800 sed -f conftestsed <<EOF_SED > conftestsed.out
1801 ${ac_configure_args}
1803 baseargs=`cat conftestsed.out`
1804 rm -f conftestsed conftestsed.out
1806 # Add in --program-transform-name, after --program-prefix and
1807 # --program-suffix have been applied to it. Autoconf has already
1808 # doubled dollar signs and backslashes in program_transform_name; we want
1809 # the backslashes un-doubled, and then the entire thing wrapped in single
1810 # quotes, because this will be expanded first by make and then by the shell.
1811 # Also, because we want to override the logic in subdir configure scripts to
1812 # choose program_transform_name, replace any s,x,x, with s,y,y,.
1813 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
1814 ${program_transform_name}
1816 gcc_transform_name=`cat conftestsed.out`
1817 rm -f conftestsed.out
1818 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
1820 # For the build-side libraries, we just need to pretend we're native,
1821 # and not use the same cache file. Multilibs are neither needed nor
1823 build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} ${baseargs}"
1825 # For host modules, accept cache file option, or specification as blank.
1826 case "${cache_file}" in
1828 cache_file_option="" ;;
1829 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
1830 cache_file_option="--cache-file=${cache_file}" ;;
1832 cache_file_option="--cache-file=../${cache_file}" ;;
1835 # Host dirs don't like to share a cache file either, horribly enough.
1836 # This seems to be due to autoconf 2.5x stupidity.
1837 host_configargs="--cache-file=./config.cache --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
1839 target_configargs=${baseargs}
1841 # Passing a --with-cross-host argument lets the target libraries know
1842 # whether they are being built with a cross-compiler or being built
1843 # native. However, it would be better to use other mechanisms to make the
1844 # sorts of decisions they want to make on this basis. Please consider
1845 # this option to be deprecated. FIXME.
1846 if test x${is_cross_compiler} = xyes ; then
1847 target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
1850 # Default to --enable-multilib.
1851 if test x${enable_multilib} = x ; then
1852 target_configargs="--enable-multilib ${target_configargs}"
1855 # Pass --with-newlib if appropriate. Note that target_configdirs has
1856 # changed from the earlier setting of with_newlib.
1857 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
1858 target_configargs="--with-newlib ${target_configargs}"
1861 # Different target subdirs use different values of certain variables
1862 # (notably CXX). Worse, multilibs use *lots* of different values.
1863 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
1864 # it doesn't automatically accept command-line overrides of them.
1865 # This means it's not safe for target subdirs to share a cache file,
1866 # which is disgusting, but there you have it. Hopefully this can be
1867 # fixed in future. It's still worthwhile to use a cache file for each
1868 # directory. I think.
1870 # Pass the appropriate --host, --build, and --cache-file arguments.
1871 target_configargs="--cache-file=./config.cache --host=${target_alias} --build=${build_alias} ${target_configargs}"
1873 # provide a proper gxx_include_dir.
1874 # Note, if you change the default, make sure to fix both here and in
1875 # the gcc and libstdc++-v3 subdirectories.
1876 # Check whether --with-gxx-include-dir or --without-gxx-include-dir was given.
1877 case "${with_gxx_include_dir}" in
1879 AC_MSG_ERROR([--with-gxx-include-dir=[[dir]] requires a directory])
1882 case "${enable_version_specific_runtime_libs}" in
1883 yes) gxx_include_dir='${libsubdir}/include/c++' ;;
1885 . ${srcdir}/config.if
1886 gxx_include_dir='${prefix}/include/'${libstdcxx_incdir} ;;
1888 *) gxx_include_dir=${with_gxx_include_dir} ;;
1892 case " $target_configdirs " in
1894 case " $target_configargs " in
1895 *" --with-newlib "*)
1898 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/include -isystem $$s/winsup/cygwin/include -isystem $$s/winsup/w32api/include' ;;
1901 # If we're not building GCC, don't discard standard headers.
1902 if test -d ${srcdir}/gcc; then
1903 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
1905 if test "${build}" != "${host}"; then
1906 # On Canadian crosses, CC_FOR_TARGET will have already been set
1907 # by `configure', so we won't have an opportunity to add -Bgcc/
1908 # to it. This is right: we don't want to search that directory
1909 # for binaries, but we want the header files in there, so add
1911 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/gcc/include'
1913 # Someone might think of using the pre-installed headers on
1914 # Canadian crosses, in case the installed compiler is not fully
1915 # compatible with the compiler being built. In this case, it
1916 # would be better to flag an error than risking having
1917 # incompatible object files being constructed. We can't
1918 # guarantee that an error will be flagged, but let's hope the
1919 # compiler will do it, when presented with incompatible header
1924 case "${target}-${is_cross_compiler}" in
1925 i[[3456789]]86-*-linux*-no)
1926 # Here host == target, so we don't need to build gcc,
1927 # so we don't want to discard standard headers.
1928 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
1931 # If we're building newlib, use its generic headers last, but search
1932 # for any libc-related directories first (so make it the last -B
1934 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
1942 # Allow the user to override the flags for
1943 # our build compiler if desired.
1944 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
1946 # On Canadian crosses, we'll be searching the right directories for
1947 # the previously-installed cross compiler, so don't bother to add
1948 # flags for directories within the install tree of the compiler
1949 # being built; programs in there won't even run.
1950 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
1951 # Search for pre-installed headers if nothing else fits.
1952 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
1955 if test "x${use_gnu_ld}" = x &&
1956 echo " ${configdirs} " | grep " ld " > /dev/null ; then
1957 # Arrange for us to find uninstalled linker scripts.
1958 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/ld'
1961 if test "x${CC_FOR_TARGET+set}" = xset; then
1963 elif test -d ${srcdir}/gcc; then
1964 CC_FOR_TARGET='$$r/gcc/xgcc -B$$r/gcc/'
1965 elif test "$host" = "$target"; then
1966 CC_FOR_TARGET='$(CC)'
1968 CC_FOR_TARGET=`echo gcc | sed "${program_transform_name}"`
1970 CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1972 if test "x${GCJ_FOR_TARGET+set}" = xset; then
1974 elif test -d ${srcdir}/gcc; then
1975 GCJ_FOR_TARGET='$$r/gcc/gcj -B$$r/gcc/'
1976 elif test "$host" = "$target"; then
1977 GCJ_FOR_TARGET='gcj'
1979 GCJ_FOR_TARGET=`echo gcj | sed "${program_transform_name}"`
1981 GCJ_FOR_TARGET=$GCJ_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1983 if test "x${GFORTRAN_FOR_TARGET+set}" = xset; then
1985 elif test -d ${srcdir}/gcc; then
1986 GFORTRAN_FOR_TARGET='$$r/gcc/gfortran -B$$r/gcc/'
1987 elif test "$host" = "$target"; then
1988 GFORTRAN_FOR_TARGET='gfortran'
1990 GFORTRAN_FOR_TARGET=`echo gfortran | sed "${program_transform_name}"`
1992 case $GFORTRAN_FOR_TARGET in
1993 *' $(FLAGS_FOR_TARGET)') ;;
1994 *) GFORTRAN_FOR_TARGET=$GFORTRAN_FOR_TARGET' $(FLAGS_FOR_TARGET)' ;;
1997 # Don't use libstdc++-v3's flags to configure/build itself.
1998 libstdcxx_flags='`test ! -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags || $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
1999 raw_libstdcxx_flags='-L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
2001 if test "x${CXX_FOR_TARGET+set}" = xset; then
2002 if test "x${RAW_CXX_FOR_TARGET+set}" != xset; then
2003 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2005 elif test -d ${srcdir}/gcc; then
2006 # We add -shared-libgcc to CXX_FOR_TARGET whenever we use xgcc instead
2007 # of g++ for linking C++ or Java, because g++ has -shared-libgcc by
2008 # default whereas gcc does not.
2009 # RAW_CXX_FOR_TARGET is for linking C++ or java; CXX_FOR_TARGET is for
2011 CXX_FOR_TARGET='$$r/gcc/g++ -B$$r/gcc/ -nostdinc++ '$libstdcxx_flags
2012 RAW_CXX_FOR_TARGET='$$r/gcc/xgcc -shared-libgcc -B$$r/gcc/ -nostdinc++ '$raw_libstdcxx_flags
2013 elif test "$host" = "$target"; then
2014 CXX_FOR_TARGET='$(CXX)'
2015 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2017 CXX_FOR_TARGET=`echo c++ | sed "${program_transform_name}"`
2018 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2020 CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2021 RAW_CXX_FOR_TARGET=$RAW_CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2023 qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2024 qRAW_CXX_FOR_TARGET=`echo "$RAW_CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2026 # We want to defer the evaluation of `cmd`s and shell variables in
2027 # CXX_FOR_TARGET when recursing in the top-level Makefile, such as for
2028 # bootstrap. We'll enclose CXX_FOR_TARGET_FOR_RECURSIVE_MAKE in single
2029 # quotes, but we still have to duplicate `$'s so that shell variables
2030 # can be expanded by the nested make as shell variables, not as make
2032 qqCXX_FOR_TARGET=`echo "$qCXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2033 qqRAW_CXX_FOR_TARGET=`echo "$qRAW_CXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2035 # Wrap CC_FOR_TARGET and friends, for certain types of builds.
2036 CC_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${CC_FOR_TARGET}"
2037 GCJ_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GCJ_FOR_TARGET}"
2038 GFORTRAN_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GFORTRAN_FOR_TARGET}"
2039 CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qCXX_FOR_TARGET}"
2040 RAW_CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qRAW_CXX_FOR_TARGET}"
2041 CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqCXX_FOR_TARGET}"
2042 RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqRAW_CXX_FOR_TARGET}"
2044 # Makefile fragments.
2045 host_makefile_frag=${srcdir}/${host_makefile_frag}
2046 target_makefile_frag=${srcdir}/${target_makefile_frag}
2047 alphaieee_frag=${srcdir}/${alphaieee_frag}
2048 ospace_frag=${srcdir}/${ospace_frag}
2049 AC_SUBST_FILE(host_makefile_frag)
2050 AC_SUBST_FILE(target_makefile_frag)
2051 AC_SUBST_FILE(alphaieee_frag)
2052 AC_SUBST_FILE(ospace_frag)
2054 # Miscellanea: directories, flags, etc.
2055 AC_SUBST(SET_LIB_PATH)
2056 AC_SUBST(RPATH_ENVVAR)
2057 AC_SUBST(BUILD_DIR_PREFIX)
2058 AC_SUBST(BUILD_PREFIX)
2059 AC_SUBST(BUILD_PREFIX_1)
2060 AC_SUBST(gcc_version_trigger)
2061 AC_SUBST(gcc_version)
2063 AC_SUBST(build_tooldir)
2065 AC_SUBST(gxx_include_dir)
2066 AC_SUBST(libstdcxx_incdir)
2068 # Build module lists & subconfigure args.
2069 AC_SUBST(build_configargs)
2070 AC_SUBST(build_configdirs)
2072 # Host module lists & subconfigure args.
2073 AC_SUBST(host_configargs)
2074 AC_SUBST(configdirs)
2076 # Target module lists & subconfigure args.
2077 AC_SUBST(target_configargs)
2078 AC_SUBST(target_configdirs)
2081 AC_SUBST(CC_FOR_BUILD)
2082 AC_SUBST(config_shell)
2085 NCN_STRICT_CHECK_TOOL(AR, ar)
2086 NCN_STRICT_CHECK_TOOL(AS, as)
2087 NCN_STRICT_CHECK_TOOL(DLLTOOL, dlltool)
2088 NCN_STRICT_CHECK_TOOL(LD, ld)
2089 NCN_STRICT_CHECK_TOOL(NM, nm)
2090 NCN_STRICT_CHECK_TOOL(RANLIB, ranlib, :)
2091 NCN_STRICT_CHECK_TOOL(WINDRES, windres)
2092 NCN_STRICT_CHECK_TOOL(OBJCOPY, objcopy)
2093 NCN_STRICT_CHECK_TOOL(OBJDUMP, objdump)
2097 AC_SUBST(CFLAGS_FOR_BUILD)
2101 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AR_FOR_TARGET, ar)
2102 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AS_FOR_TARGET, as)
2103 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_DLLTOOL_FOR_TARGET, dlltool)
2104 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_LD_FOR_TARGET, ld)
2105 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_NM_FOR_TARGET, nm)
2106 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_RANLIB_FOR_TARGET, ranlib, :)
2107 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_WINDRES_FOR_TARGET, windres)
2109 AC_SUBST(GCC_FOR_TARGET)
2110 AC_SUBST(FLAGS_FOR_TARGET)
2111 AC_SUBST(CC_FOR_TARGET)
2112 AC_SUBST(GCJ_FOR_TARGET)
2113 AC_SUBST(GFORTRAN_FOR_TARGET)
2114 AC_SUBST(CXX_FOR_TARGET)
2115 AC_SUBST(RAW_CXX_FOR_TARGET)
2116 AC_SUBST(CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2117 AC_SUBST(RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2119 # Fix up target tools.
2120 if test "x${build}" = "x${host}" ; then
2121 # In this case, the newly built tools can and should be used,
2122 # so we override the results of the autoconf tests.
2123 # This should really only happen when the tools are actually being built,
2124 # but that's a further refinement. The new build scheme, where
2125 # tools are built into a structure paralleling where they're installed,
2126 # should also eliminate all of this cleanly.
2127 AR_FOR_TARGET="\$(USUAL_AR_FOR_TARGET)"
2128 AS_FOR_TARGET="\$(USUAL_AS_FOR_TARGET)"
2129 DLLTOOL_FOR_TARGET="\$(USUAL_DLLTOOL_FOR_TARGET)"
2130 LD_FOR_TARGET="\$(USUAL_LD_FOR_TARGET)"
2131 NM_FOR_TARGET="\$(USUAL_NM_FOR_TARGET)"
2132 RANLIB_FOR_TARGET="\$(USUAL_RANLIB_FOR_TARGET)"
2133 WINDRES_FOR_TARGET="\$(USUAL_WINDRES_FOR_TARGET)"
2135 # Just use the ones we found.
2136 AR_FOR_TARGET="\$(CONFIGURED_AR_FOR_TARGET)"
2137 AS_FOR_TARGET="\$(CONFIGURED_AS_FOR_TARGET)"
2138 DLLTOOL_FOR_TARGET="\$(CONFIGURED_DLLTOOL_FOR_TARGET)"
2139 LD_FOR_TARGET="\$(CONFIGURED_LD_FOR_TARGET)"
2140 NM_FOR_TARGET="\$(CONFIGURED_NM_FOR_TARGET)"
2141 RANLIB_FOR_TARGET="\$(CONFIGURED_RANLIB_FOR_TARGET)"
2142 WINDRES_FOR_TARGET="\$(CONFIGURED_WINDRES_FOR_TARGET)"
2144 AC_SUBST(AR_FOR_TARGET)
2145 AC_SUBST(AS_FOR_TARGET)
2146 AC_SUBST(DLLTOOL_FOR_TARGET)
2147 AC_SUBST(LD_FOR_TARGET)
2148 AC_SUBST(NM_FOR_TARGET)
2149 AC_SUBST(RANLIB_FOR_TARGET)
2150 AC_SUBST(WINDRES_FOR_TARGET)
2152 # Certain tools may need extra flags.
2153 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2154 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2155 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2157 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2158 AC_ARG_ENABLE(maintainer-mode,
2159 [ --enable-maintainer-mode enable make rules and dependencies not useful
2160 (and sometimes confusing) to the casual installer],
2161 USE_MAINTAINER_MODE=$enableval,
2162 USE_MAINTAINER_MODE=no)
2163 AC_MSG_RESULT($USE_MAINTAINER_MODE)
2164 AC_SUBST(MAINTAINER_MODE_TRUE)
2165 AC_SUBST(MAINTAINER_MODE_FALSE)
2166 if test "$USE_MAINTAINER_MODE" = yes; then
2167 MAINTAINER_MODE_TRUE=
2168 MAINTAINER_MODE_FALSE='#'
2170 MAINTAINER_MODE_TRUE='#'
2171 MAINTAINER_MODE_FALSE=
2173 MAINT=$MAINTAINER_MODE_TRUE
2176 # ---------------------
2177 # GCC bootstrap support
2178 # ---------------------
2180 # Stage specific cflags for build.
2185 yes) stage1_cflags="-g -Wa,-J" ;;
2186 *) stage1_cflags="-g -J" ;;
2189 # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
2190 # sources; use -no-cpp-precomp to get to GNU cpp.
2191 # Apple's GCC has bugs in designated initializer handling, so disable
2193 stage1_cflags="-g -no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
2196 AC_SUBST(stage1_cflags)
2198 # It makes debugging easier if we create as symlinks the stage directories
2199 # gcc for stageN-gcc and stage-prev for stage(N-1). In case this is not
2200 # possible, however, we can resort to mv.
2201 AC_CACHE_CHECK([if symbolic links between directories work],
2202 [gcc_cv_prog_ln_s_dir],
2203 [if test "${LN_S}" = "ln -s" \
2204 && mkdir confdir.s1 \
2205 && ln -s confdir.s1 confdir.s2 \
2206 && echo timestamp1 > confdir.s1/conftest.1 \
2207 && cmp confdir.s1/conftest.1 confdir.s2/conftest.1 \
2208 && echo timestamp2 > confdir.s2/conftest.2 \
2209 && cmp confdir.s1/conftest.2 confdir.s1/conftest.2 \
2210 && rm -f confdir.s2; then
2211 gcc_cv_prog_ln_s_dir=yes
2213 gcc_cv_prog_ln_s_dir=yes
2215 rm -rf confdir.s1 confdir.s2])
2217 case ${gcc_cv_prog_ln_s_dir} in
2219 CREATE_LINK_TO_DIR='ln -s $$1 $$2'
2220 UNDO_LINK_TO_DIR='rm -f $$1' ;;
2222 CREATE_LINK_TO_DIR='mv $$1 $$2'
2223 UNDO_LINK_TO_DIR='mv $$1 $$2' ;;
2225 AC_SUBST(CREATE_LINK_TO_DIR)
2226 AC_SUBST(UNDO_LINK_TO_DIR)
2228 # Enable -Werror in bootstrap stage2 and later.
2229 # Change the default to "no" on release branches.
2230 AC_ARG_ENABLE(werror,
2231 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
2232 [enable_werror=yes])
2233 case ${enable_werror} in
2234 yes) stage2_werror_flag="--enable-werror-always" ;;
2235 *) stage2_werror_flag="" ;;
2237 AC_SUBST(stage2_werror_flag)